[PD] dropout save metro

[Enrique Erne]

yeah that sounds like nice solution.
and a reason to install jack .

thank you all.

On Jun 22, 2007, at 7:52 PM, Roman Haefeli wrote:

> On Fri, 2007-06-22 at 19:40 +0200, Roman Haefeli wrote:
>> On Fri, 2007-06-22 at 19:22 +0200, Roman Haefeli wrote:
>>> one solution, that might would work, came to my mind. you could run 
>>> two
>>> instances of pd, one does only hold a [metro] and has a slightly 
>>> higher
>>> priority than the other instance. the second pd does all the audio 
>>> stuff
>>> and therefore might have some dropouts. now you could send the 
>>> output of
>>> the 'dropout safe' [metro] to the audio instance of pd.
>>>
>>> this would be a clean solution, but it requires some connection 
>>> between
>>> the two instances of pd, most probably a tcp-connection. due to this
>>> connection, this approach might be inaccurate as well.
>>
>> frank mentioned using an audio connection. with an audio connection
>> between both instances you wouldn't have any glitches. the main 
>> problem
>> is how to 'encode' and 'decode' the audio signal, so that you don't 
>> lose
>> sample accuracy. there are possibly many approaches, but one comes to
>> mind using [pack~] and [unpack~] from zexy. dependent on when the 
>> 'bang'
>> from the metro happens withing a block, you could encode that time 
>> into
>> the first sample of a block with a list like '23 0 0 0 0 0 ..... ' 
>> sent
>> to [pack~] . ('23' means, that the bang should be triggered at the 
>> 23th
>> sample of that block). on the receiver side, you could use an
>>
>> [unpack~]
>> |
>> [$1]
>>
>> construction to 'decode' the audio block.
>>
>> hope, that makes sense..
>
> (sorry for spaming so much about this topic)
>
> i just realized, that you couldn't send higher values than '1' over an
> audio connection. therefore the 'encode' should scaled down in order to
> fit into the transmittable range.
>
> roman
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